Build defensible AHP models: pairwise comparisons, consistency checks, sensitivity analysis, thesis-ready reports. 125+ peer-reviewed citations. Free 7-day trial.
Decision analysis software since 2007
Decision analysis, without the complexity.
Analytic Hierarchy Process, Decision Tree Pro, and the SpiceLogic Rational Will® bundle: professional desktop tools for rigorous decision-makers. Software you own outright - no cloud dependency, no monthly fees, and every formula is one click from its citation.
Real product screens: AHP Software and SpiceLogic Rational Will®
150+
published academic papers cite SpiceLogic software - and counting
19 years
of continuous development, since 2007
Perpetual
license - pay once; no renewal needed to keep using your version
Trusted by decision-makers at
Shell
U.S. Navy
U.S. Army
Samsung
Intel
Nikon
Pick your method. Own the tool.
Each tool is a complete implementation of a normative decision-theory method. Standalone, or bundled in SpiceLogic Rational Will®.
Decision tree software with Markov models, Monte Carlo simulation, sensitivity analysis, and cost-effectiveness (QALY) outputs for HTA and high-stakes decisions.
Decision trees, AHP, Markov decision processes, Bayesian inference, and multi-criteria analysis in one desktop suite. Pay once, use forever. Free 7-day trial.
Build Bayesian networks in a point-and-click desktop app. Model hypotheses, run Bayesian inference, and watch beliefs update with evidence. Free trial.
Built for serious decision-makers.
Four groups use SpiceLogic software for different decisions - the same methods, different reporting needs.
Health economists & HTA analysts
Submissions to NICE, CADTH and PBAC.
Build cost-effectiveness models with QALY and DALY payoffs and Markov cohorts. Export reports that meet the method requirements of each agency.
See Decision Tree Pro →Defense, energy & government procurement
Multi-criteria evaluation, with a clear audit trail.
Score suppliers, sites, or platforms on weighted criteria. Reach group consensus through AIJ and AIP aggregation without any cloud dependency.
See AHP Software →Academic researchers & PhD students
Cited in peer-reviewed journals worldwide.
Discounted academic licenses, models that can be reproduced, and a citation index that shows prior use of each method in published research.
Academic citation program →Enterprise strategy & operations
Capital allocation and supplier selection.
Measure portfolio decisions with stochastic dominance and real-options frameworks. Outputs are structured for board and investment committee review.
See SpiceLogic Rational Will →Engineered for decisions that must stand up to scrutiny.
Actively developed since 2007. Every model exports audit-ready PDF and Excel reports with full traceability - every probability, weight, and assumption is captured, so your analysis stands up months later.
Own your license. No subscription.
- Pay once, keep your version. Your license never expires and never needs a renewal to keep working.
- A year of upgrades included. Extending update coverage later is optional, never required.
- No monthly fees. No auto-renewal. Works offline - your data stays on your machine.
Used in 150+ academic publications worldwide.
SpiceLogic tools appear in published research across health technology assessment, supply chain management, sustainability, energy, and public-policy decision analysis - in journals indexed by Springer, IEEE, Elsevier, and Facta Universitatis, among others.
View the full citation index →Component libraries for WPF and WinForms.
Drop-in controls for .NET desktop applications. Available on NuGet - add rich HTML editing to your app in minutes.
WPF · .NET control
WPF HTML Editor Control
Native WPF WYSIWYG HTML editor control with rich text formatting, MVVM binding, safe Word paste, and source code. Free trial.
Perpetual developer license · royalty-free distribution
Install-Package SpiceLogic.HtmlEditor.WPF
WinForms · .NET control
.NET WinForms HTML Editor Control
Drop-in WYSIWYG HTML editor for C# and VB.NET Windows Forms apps: rich text editing that saves HTML. NuGet install, .NET 4.5 to .NET 11, spell check, mail merge.
Perpetual developer license · royalty-free distribution
Install-Package SpiceLogic.HtmlEditor.WinForms
.NET · .NET control
SpiceLogic Avalonia HTML Editor Control
Add visual HTML and rich text editing to Avalonia desktop apps. Load, edit and save HTML messages and templates on Windows, macOS and Linux. Perpetual licensing.
Perpetual developer license · royalty-free distribution
Talk to the engineers, not a chatbot.
Your questions are answered by the engineering team behind the software - in a live Zoom or Teams session, or by email within one business day. Bring a real decision and we will help you model it.
No NDA · no sales script · free to evaluators.